1 files changed, 3 insertions, 1 deletions
diff --git a/md_p.h b/md_p.h
index 6c79a3d1..517b2041 100644
--- a/md_p.h
+++ b/md_p.h
@@ -101,7 +101,9 @@ typedef struct mdp_device_descriptor_s {
 #define MD_SB_CLEAN		0
 #define MD_SB_ERRORS		1
 #define MD_SB_BBM_ERRORS	2
-
+#define MD_SB_BLOCK_CONTAINER_RESHAPE 3 /* block container wide reshapes */
+#define MD_SB_BLOCK_VOLUME	4 /* block activation of array, other arrays
+				   * in container can be activated */
 #define	MD_SB_BITMAP_PRESENT	8 /* bitmap may be present nearby */
 
 typedef struct mdp_superblock_s {